Motorola APX 4500Li User Manual page 194

English
Standby
An operating condition whereby the radio's speaker is
muted but still continues to receive data.
Status Calls
Pre-defined text messages that allow the user to send a
conditional message without talking.
Tactical/non-revert
The user will talk on the channel that was selected before
the radio entered the emergency state.
TalkAround
Bypassing a repeater and talking directly to another unit for
local unit-to-unit communications.
Talkgroup
An organization or group of radio users who communicate
with each other using the same communications path.
TMS
Text Messaging Service.
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Trunking
The automatic sharing of communications paths between a
large number of users. Allows users to share a smaller
number of frequencies because a repeater or
communications path is assigned to a talkgroup for the
duration of a conversation.
Trunking Priority Monitor scan list
A scan list that includes talkgroups that are all from the
same trunking system.
USK
Unique shadow key.
UTC
Coordinated Universal Time. The international time
standard (formerly Greenwich Mean Time, or GMT). Zero
hours UTC is midnight in Greenwich, England, which is
located at 0 degrees longitude. Everything east of
Greenwich (up to 180 degrees) is later in time; everything
west is earlier. There are 42 time authorities around the
world that are constantly synchronizing with each other.
Abbreviated as UTC (English backronym = Universal Time,
Coordinated), it is also known as Zulu (Z) Time.